Home / 5,426.46-7,488.18-3,936.24

Finding the Fourth Proportional to 5,426.46, 7,488.18 and 3,936.24

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Solution

The fourth proportional to 5,426.46, 7,488.18 and 3,936.24 is: 5,431.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,426.46 : 7,488.18 = 3,936.24 : x
  2. Step 2: Convert to fraction form
    5,426.46/7,488.18 = 3,936.24/x
  3. Step 3: Cross multiply
    5,426.46x = 7,488.18 × 3,936.24
  4. Step 4: Simplify right side
    5,426.46x = 29,475,273.64
  5. Step 5: Solve for x
    x = 29,475,273.64/5,426.46
  6. Step 6: Final answer
    x = 5,431.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.